Folding thermometer for barbecue grill



FIG. 1 is a front view of a folding thermometer for barbecue grill showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is another front view thereof, showing the probe of the folding thermometer for barbecue grill being unfolded in a use state. 

CLAIM The ornamental design for a folding thermometer for barbecue grill, as shown and described. 